Performance Tool W5046 6' X 1/2-Inch Clear Tape Measure

See-Thru Case: High-grade polycarbonate housing is lightweight, always crystal clear, and impact resistant., Blade Size: 1/2 in. blade with 2-sided, high contrast printing and stamped steel end hook., Conveniently Designed: High accuracy SAE and Metric measurements conveniently, side-by-side, on one tape., Smooth Operation: Auto-retracting blade glides both in and out thanks to the high-carbon, heat-treated, rewind spring., Quick Locking: Easy to operate thumb lock secures blade tightly until it is released to retract the tape.